// 云函数入口文件
const cloud = require('wx-server-sdk')
cloud.init({
  env: cloud.DYNAMIC_CURRENT_ENV
})
cloud.init()
const db = cloud.database();
const _=db.command;
// 云函数入口函数
exports.main = async (event, context) => {
  db.collection('chatroom').where({
    _id:_.neq(' ')
  }).remove().then(res=>{
    console.log(res)
  })
}